%% check_graphical

check_chull_tree
check_dA_tree
check_dendrogram_tree
check_gdens_tree
check_hull_tree
check_lego_tree
check_plot_tree
check_plotsect_tree
check_pointer_tree
check_spread_tree
check_vhull_tree
check_vtext_tree
check_xdend_tree
check_xplore_tree


